» Seattle Seahawks fans have to be thrilled. Not only are they looking like a potential juggernaut, they are the fourth-youngest group of starters. The St. Louis Rams, set up for a nice long run with a great-looking defense, are the second-youngest.

» The Pittsburgh Steelers have the biggest disparity between sides of the ball. They have the oldest defensive starters in the league and the third-youngest projected starters on offense. And that's after the Steelers let go of some defensive stalwarts.